Frost Dates for Arkadelphia, AR 71999
Arkadelphia has 3 ZIP codes. The Arkadelphia, AR frost page lists all of them with their dates.
Last spring frost April 1 · First fall frost November 2 · 215 frost-free days · USDA Zone 7a (est.)
ZIP 71999 has about 450 people, one of 3 ZIP codes in Arkadelphia.
Long season: 215 frost-free days. Spring frost risk spans March 19–April 16 (28 days). Fall frost risk spans October 14–November 18 (35 days).
Frost probability for 71999
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 16 | April 1 | March 19 |
| Fall (first frost) | October 14 | November 2 | November 18 |
Dates come from NOAA 1971–2000 freeze probabilities at ARKADELPHIA 2 N (1.8 km away); the 50% date is the median year.
Which crops fit a 215-day season in Arkadelphia
In Arkadelphia (215 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Feb 25 | Apr 15–Apr 22 | 173 | fits: 80 days to maturity, 173 available after Apr 15. | Jul 3 |
| Pepper | Feb 18 | Apr 15–Apr 22 | 173 | fits: 75 days to maturity, 173 available after Apr 15. | Jul 8 |
| Lettuce | Feb 4 | Mar 4–Mar 11 | 250 | two-plantings: Plant Mar 4 and again by Sep 11; both mature before Nov 9. | Sep 11 |
| Carrots | — | Mar 11–Mar 18 | 257 | fits: 70 days to maturity, 257 available after Mar 11. | Aug 31 |
| Cucumber | Mar 11 | Apr 15–Apr 22 | 187 | two-plantings: Plant Apr 15 and again by Aug 6; both mature before Oct 19. | Aug 6 |
| Beans | — | Apr 8–Apr 22 | 201 | two-plantings: Plant Apr 8 and again by Aug 13; both mature before Oct 26. | Aug 13 |
| Peas | — | Feb 4–Apr 15 | 278 | fits: 65 days to maturity, 278 available after Feb 4. | Aug 22 |
| Zucchini | Mar 18 | Apr 15–Apr 22 | 187 | two-plantings: Plant Apr 15 and again by Aug 11; both mature before Oct 19. | Aug 11 |
| Onion | Jan 7 | Mar 4–Mar 18 | 250 | fits: 100 days to maturity, 250 available after Mar 4. | — |
| Spinach | — | Feb 4–Mar 25 | 292 | two-plantings: Plant Feb 4 and again by Sep 30; both mature before Nov 23. | Sep 30 |
| Kale | Jan 21 | Mar 4–Mar 18 | 264 | two-plantings: Plant Mar 4 and again by Sep 15; both mature before Nov 23. | Sep 15 |
| Broccoli | Feb 4 | Mar 4–Mar 18 | 250 | fits: 80 days to maturity, 250 available after Mar 4. | Aug 7 |
| Cabbage | Feb 4 | Mar 4–Mar 18 | 264 | fits: 70 days to maturity, 264 available after Mar 4. | Aug 31 |
| Radish | — | Feb 4–Apr 29 | 278 | two-plantings: Plant Feb 4 and again by Oct 1; both mature before Nov 9. | Oct 1 |
| Beets | — | Feb 4–Apr 29 | 278 | two-plantings: Plant Feb 4 and again by Sep 1; both mature before Nov 9. | Sep 1 |
| Potatoes | — | Mar 18–Mar 25 | 236 | fits: 90 days to maturity, 236 available after Mar 18. | — |
| Garlic | — | Nov 2 | 320 | overwinter: Plant Nov 2 to Nov 23; harvest the following summer. | Nov 23 |
| Strawberry | — | Feb 25–Apr 22 | 271 | perennial: A perennial: plant Feb 25; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 4 | Apr 8–Apr 15 | 187 | fits: 75 days to maturity, 187 available after Apr 8. | Jul 15 |
| Pumpkin | Mar 18 | Apr 15–Apr 15 | 180 | fits: 100 days to maturity, 180 available after Apr 15. | Jun 20 |
| Cauliflower | Feb 18 | Mar 25–Apr 8 | 229 | fits: 75 days to maturity, 229 available after Mar 25. | Aug 12 |
| Swiss Chard | Feb 4 | Mar 18–Mar 18 | 236 | two-plantings: Plant Mar 18 and again by Sep 1; both mature before Nov 9. | Sep 1 |
| Arugula | — | Feb 4–Apr 29 | 292 | two-plantings: Plant Feb 4 and again by Sep 30; both mature before Nov 23. | Sep 30 |
| Brussel Sprouts | Feb 4 | Mar 4–Mar 18 | 264 | fits: 100 days to maturity, 264 available after Mar 4. | Aug 1 |
| Butternut Squash | Mar 18 | Apr 15–Apr 22 | 180 | fits: 100 days to maturity, 180 available after Apr 15. | Jun 20 |
| Eggplant | Feb 11 | Apr 15–Apr 22 | 173 | fits: 70 days to maturity, 173 available after Apr 15. | Jul 13 |
| Okra | Mar 4 | Apr 8–Apr 15 | 194 | two-plantings: Plant Apr 8 and again by Aug 11; both mature before Oct 19. | Aug 11 |
| Basil | Feb 25 | Apr 22–Apr 22 | 180 | two-plantings: Plant Apr 22 and again by Aug 6; both mature before Oct 19. | Aug 6 |
| Cilantro | — | Mar 4–Mar 25 | 250 | two-plantings: Plant Mar 4 and again by Sep 6; both mature before Nov 9. | Sep 6 |
| Parsley | Jan 21 | Apr 8–Apr 15 | 215 | fits: 70 days to maturity, 215 available after Apr 8. | Aug 17 |
| Celery | Jan 21 | Apr 8–Apr 22 | 215 | fits: 120 days to maturity, 215 available after Apr 8. | Jun 28 |
| Scallions | Jan 21 | Mar 4–Mar 18 | 264 | two-plantings: Plant Mar 4 and again by Sep 10; both mature before Nov 23. | Sep 10 |
| Turnip | — | Mar 4–Mar 18 | 264 | two-plantings: Plant Mar 4 and again by Sep 20; both mature before Nov 23. | Sep 20 |
| Kohlrabi | — | Feb 18–Mar 4 | 278 | two-plantings: Plant Feb 18 and again by Sep 15; both mature before Nov 23. | Sep 15 |
| Bok Choy | Mar 4 | Mar 25–Apr 1 | 229 | two-plantings: Plant Mar 25 and again by Sep 11; both mature before Nov 9. | Sep 11 |
| Collards | Jan 21 | Mar 4–Mar 18 | 264 | two-plantings: Plant Mar 4 and again by Sep 10; both mature before Nov 23. | Sep 10 |
| Cantaloupe | Mar 18 | Apr 15–Apr 22 | 173 | fits: 85 days to maturity, 173 available after Apr 15. | Jun 28 |
| Chives | Jan 7 | Apr 8–Apr 15 | 229 | fits: 90 days to maturity, 229 available after Apr 8. | — |
| Dill | — | Feb 4–Apr 29 | 278 | two-plantings: Plant Feb 4 and again by Sep 1; both mature before Nov 9. | Sep 1 |
| Oregano | Jan 21 | Apr 8–Apr 15 | 229 | fits: 80 days to maturity, 229 available after Apr 8. | — |
| Rosemary | Jan 7 | Apr 8–Apr 15 | 215 | fits: 80 days to maturity, 215 available after Apr 8. | — |
| Sage | Feb 4 | Apr 8–Apr 15 | 229 | fits: 75 days to maturity, 229 available after Apr 8. | — |
| Thyme | Jan 21 | Apr 8–Apr 15 | 229 | fits: 90 days to maturity, 229 available after Apr 8. | — |
| Calendula | Feb 18 | Mar 18–Apr 1 | 236 | two-plantings: Plant Mar 18 and again by Sep 6; both mature before Nov 9. | Sep 6 |
| Cosmos | Mar 4 | Apr 1–Apr 15 | 201 | two-plantings: Plant Apr 1 and again by Aug 6; both mature before Oct 19. | Aug 6 |
| Lavender | Jan 7 | Apr 1–Apr 15 | 236 | fits: 90 days to maturity, 236 available after Apr 1. | — |
| Marigolds | Feb 18 | Apr 1–Apr 8 | 201 | two-plantings: Plant Apr 1 and again by Aug 16; both mature before Oct 19. | Aug 16 |
| Melons | Mar 18 | Apr 15–Apr 22 | 173 | fits: 85 days to maturity, 173 available after Apr 15. | Jun 28 |
| Mint | — | Apr 1–Apr 15 | 236 | fits: 90 days to maturity, 236 available after Apr 1. | — |
| Nasturtiums | Mar 4 | Apr 1–Apr 8 | 201 | two-plantings: Plant Apr 1 and again by Aug 11; both mature before Oct 19. | Aug 11 |
| Pole Beans | — | Apr 8–Apr 22 | 194 | fits: 65 days to maturity, 194 available after Apr 8. | Aug 1 |
| Spaghetti Squash | Mar 18 | Apr 15–Apr 22 | 180 | fits: 90 days to maturity, 180 available after Apr 15. | Jun 30 |
| Sunflowers | — | Apr 1–Apr 15 | 201 | fits: 70 days to maturity, 201 available after Apr 1. | Jul 27 |
| Tomatillos | Feb 4 | Apr 8–Apr 15 | 180 | fits: 75 days to maturity, 180 available after Apr 8. | Jul 8 |
| Watermelon | Mar 18 | Apr 8–Apr 15 | 180 | fits: 80 days to maturity, 180 available after Apr 8. | Jul 3 |
| Yellow Squash | Mar 18 | Apr 15–Apr 22 | 187 | two-plantings: Plant Apr 15 and again by Aug 11; both mature before Oct 19. | Aug 11 |
| Zinnias | Mar 4 | Apr 1–Apr 15 | 201 | two-plantings: Plant Apr 1 and again by Aug 6; both mature before Oct 19. | Aug 6 |
Month by month in Arkadelphia
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 7), Lavender (Jan 7), Onion (Jan 7), Rosemary (Jan 7), Celery (Jan 21), Collards (Jan 21), +5 more. |
| February | Start indoors: Broccoli (Feb 4), Brussel Sprouts (Feb 4), Cabbage (Feb 4), Lettuce (Feb 4), Sage (Feb 4), Swiss Chard (Feb 4), +8 more. Direct sow from: Arugula (Feb 4), Beets (Feb 4), Dill (Feb 4), Peas (Feb 4), Radish (Feb 4), Spinach (Feb 4), +1 more. Plant: Strawberry (Feb 25). |
| March | Start indoors: Bok Choy (Mar 4), Corn (Mar 4), Cosmos (Mar 4), Nasturtiums (Mar 4), Okra (Mar 4), Zinnias (Mar 4), +9 more. Direct sow from: Cilantro (Mar 4), Turnip (Mar 4), Carrots (Mar 11), Potatoes (Mar 18). Transplant from: Broccoli (Mar 4), Brussel Sprouts (Mar 4), Cabbage (Mar 4), Collards (Mar 4), Kale (Mar 4), Lettuce (Mar 4), +6 more. |
| April | Direct sow from: Sunflowers (Apr 1), Beans (Apr 8), Pole Beans (Apr 8). Transplant from: Cosmos (Apr 1), Lavender (Apr 1), Marigolds (Apr 1), Mint (Apr 1), Nasturtiums (Apr 1), Zinnias (Apr 1), +23 more. Last frost around April 1. |
| May | Frost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini. |
| June | Last sowing dates: Butternut Squash (Jun 20), Pumpkin (Jun 20), Cantaloupe (Jun 28), Celery (Jun 28), Melons (Jun 28), Spaghetti Squash (Jun 30). |
| July | Last sowing dates: Tomato (Jul 3), Watermelon (Jul 3), Pepper (Jul 8), Tomatillos (Jul 8), Eggplant (Jul 13), Corn (Jul 15), +1 more. |
| August | Last sowing dates: Brussel Sprouts (Aug 1), Pole Beans (Aug 1), Basil (Aug 6), Cosmos (Aug 6), Cucumber (Aug 6), Zinnias (Aug 6), +12 more. |
| September | Last sowing dates: Beets (Sep 1), Dill (Sep 1), Swiss Chard (Sep 1), Calendula (Sep 6), Cilantro (Sep 6), Collards (Sep 10), +8 more. |
| October | Last sowing dates: Radish (Oct 1). |
| November | Direct sow from: Garlic (Nov 2). First frost around November 2. Last sowing dates: Garlic (Nov 23). |
| December | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
Frequently Asked Questions
What is the last frost date for Arkadelphia, AR (ZIP 71999)?
The median last spring frost date for Arkadelphia, AR (ZIP code 71999) is around April 1. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area. One year in ten frost ends before March 19; one in ten it runs past April 16.
What is the first fall frost date in Arkadelphia, AR?
The median first fall frost date for Arkadelphia, AR is around November 2. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around October 14 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Arkadelphia, AR?
The frost-free growing season in Arkadelphia is about 215 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Arkadelphia (215 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Arkadelphia, AR?
Arkadelphia, AR is approximately in USDA zone 7a. The 2023 USDA map does not list ZIP 71999, so this is estimated from local frost patterns; check the USDA map for your exact address.
When should I start tomatoes indoors in Arkadelphia, AR?
Start tomatoes indoors Feb 25 and plant out Apr 15 in Arkadelphia. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Arkadelphia?
Two: plant Mar 4 and again by Sep 11; both mature before Nov 9.
When do I plant garlic in Arkadelphia?
Nov 2 to Nov 23; it overwinters and is ready the following summer.
Can I get two tomato crops in Arkadelphia?
Yes: plant out Apr 15 for a summer crop, and set out a second round of transplants by Jul 3 for a fall crop.
Which nearby ZIP has a longer season?
Hot Springs Village (ZIP 71909) has 222 frost-free days, 7 more than Arkadelphia (ZIP 71999). See Hot Springs Village ZIP 71909 frost dates
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